And if 0.1% complete the course, that's 58 people. Despite what you may have heard, there are numbers less than 1%. Many people who buy advertisements in publications with, say, 100000 readers have learned this lesson the hard way.

"there are numbers less than 1%"
WTF!?! Hmmm, all the online marketers I know are going to be very disappointed about this news. LOL.

btw, just worked my way through your ROR tutorial - thanks for YOUR contribution to online learning. A big reason I am signing up for the Stanford courses is because of the great fun I had working my way through your Rail Tutorial. Online learning is awesome!